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<h1><a name="SECTION0032000000000000000000"></a><a name="language"></a>
<br>
30. Python Language Services
         
</h1>

<p>
Python provides a number of modules to assist in working with the
Python language.  These modules support tokenizing, parsing, syntax
analysis, bytecode disassembly, and various other facilities.

<p>
These modules include:

<p>
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      <td><b><tt class='module'><a href='module-parser.html'>parser</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Access parse trees for Python source code.</td></tr>
  <tr><td><b><tt class='module'><a href='module-symbol.html'>symbol</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Constants representing internal nodes of the parse tree.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-token.html'>token</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Constants representing terminal nodes of the parse tree.</td></tr>
  <tr><td><b><tt class='module'><a href='module-keyword.html'>keyword</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Test whether a string is a keyword in Python.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-tokenize.html'>tokenize</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Lexical scanner for Python source code.</td></tr>
  <tr><td><b><tt class='module'><a href='module-tabnanny.html'>tabnanny</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Tool for detecting white space related problems
                in Python source files in a directory tree.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-pyclbr.html'>pyclbr</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Supports information extraction for a Python class
                browser.</td></tr>
  <tr><td><b><tt class='module'><a href='module-pycompile.html'>py_compile</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Compile Python source files to byte-code files.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-compileall.html'>compileall</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Tools for byte-compiling all Python source files in a
                directory tree.</td></tr>
  <tr><td><b><tt class='module'><a href='module-dis.html'>dis</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Disassembler for Python byte code.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-pickletools.html'>pickletools</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Contains extensive comments about the pickle protocols and pickle-machine opcodes, as well as some useful functions.</td></tr>
  <tr><td><b><tt class='module'><a href='module-distutils.html'>distutils</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Support for building and installing Python modules
                into an existing Python installation.</td></tr>
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<span class="release-info">Release 2.5.1, documentation updated on 18th April, 2007.</span>
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